Key holder



FIG. 1 is a bottom plan view of a keyholder showing my new design;

FIG. 2 is an end elevational view;

FIG. 3 is a front elevational view;

FIG. 4 is an end elevational view of the side opposite that shown in FIG. 2; and

FIG. 5 is a top plan view. 

The ornamental design for a key holder, as shown and described. 